Infiniti QX56 (JA60). Manual - part 337

 

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Infiniti QX56 (JA60). Manual - part 337

 

 

SERVICE DATA AND SPECIFICATIONS (SDS)

DLN-271

< SERVICE DATA AND SPECIFICATIONS (SDS) 

[REAR FINAL DRIVE: R230]

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Unit: mm (in)

*: Always check with the Parts Department for the latest parts information.

Drive Pinion Height Adjusting Washer

Unit: mm (in)

*: Always check with the Parts Department for the latest parts information.

Side Bearing Adjusting Washer

Unit: mm (in)

*: Always check with the Parts Department for the latest parts information.

Thickness

Part number*

1.75 (0.0688)
1.80 (0.0708)
1.85 (0.0728)

38424 7S000
38424 7S001
38424 7S002

Thickness

Part number*

Thickness

Part number*

2.59 (0.1020)
2.61 (0.1028)
2.63 (0.1035)
2.65 (0.1043)
2.67 (0.1051)
2.69 (0.1059)
2.71 (0.1067)
2.73 (0.1075)
2.75 (0.1083)
2.77 (0.1091)

38154 40P00
38154 40P01
38154 40P02
38154 40P03
38154 40P04
38154 40P05
38154 40P06
38154 40P07
38154 40P08
38154 40P09

2.79 (0.1098)

2.81 (0.1106)

2.83 (0.1114)

2.85 (0.1122)
2.87 (0.1130)
2.89 (0.1138)
2.91 (0.1146)
2.93 (0.1154)
2.95 (0.1161)
2.97 (0.1169)

38154 40P10

38154 40P11

38154 40P12
38154 40P13
38154 40P14
38154 40P15
38154 40P16
38154 40P17
38154 40P18
38154 40P19

Thickness

Part number*

Thickness

Part number*

2.00 (0.0787)
2.05 (0.0807)
2.10 (0.0827)
2.15 (0.0846)
2.20 (0.0866)
2.25 (0.0886)
2.30 (0.0906)

38453 40P00
38453 40P01
38453 40P02
38453 40P03
38453 40P04
38453 40P05
38453 40P06

2.35 (0.0925)
2.40 (0.0945)
2.45 (0.0965)
2.50 (0.0984)
2.55 (0.1004)
2.60 (0.1024)

38453 40P07
38453 40P08
38453 40P09
38453 40P10

38453 40P11

38453 40P12

EC-1

ENGINE

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SECTION 

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CONTENTS

ENGINE CONTROL SYSTEM

VK56DE

BASIC INSPECTION  ....................................

8

DIAGNOSIS AND REPAIR WORKFLOW  ..........

8

Trouble Diagnosis Introduction  .................................

8

INSPECTION AND ADJUSTMENT ....................

13

Basic Inspection  ......................................................

13

Idle Speed and Ignition Timing Check  ....................

17

Procedure After Replacing ECM  .............................

17

VIN Registration  ......................................................

17

Accelerator Pedal Released Position Learning .......

18

Throttle Valve Closed Position Learning  .................

18

Idle Air Volume Learning .........................................

18

FUNCTION DIAGNOSIS ..............................

21

ENGINE CONTROL SYSTEM ............................

21

System Diagram ......................................................

21

Engine Control Component Parts Location .............

22

MULTIPORT FUEL INJECTION SYSTEM .........

28

System Description  .................................................

28

ELECTRIC IGNITION SYSTEM  .........................

31

System Description  .................................................

31

AIR CONDITIONING CUT CONTROL  ...............

32

Input/Output Signal Chart ........................................

32

System Description  .................................................

32

AUTOMATIC SPEED CONTROL DEVICE 
(ASCD) ...............................................................

33

System Description  .................................................

33

Component Description ...........................................

34

CAN COMMUNICATION ....................................

35

System Description  .................................................

35

COOLING FAN CONTROL  ................................

36

Description ..............................................................

36

EVAPORATIVE EMISSION SYSTEM ...............

37

Description ...............................................................

37

INTAKE VALVE TIMING CONTROL  ................

40

Description ...............................................................

40

ON BOARD DIAGNOSTIC (OBD) SYSTEM  ....

41

Introduction ..............................................................

41

Two Trip Detection Logic .........................................

41

Emission-related Diagnostic Information  .................

42

Malfunction Indicator Lamp (MIL)  ............................

55

OBD System Operation Chart  .................................

58

CONSULT-III Function (ENGINE)  ...........................

63

Generic Scan Tool (GST) Function  .........................

72

COMPONENT DIAGNOSIS .........................

74

TROUBLE DIAGNOSIS - SPECIFICATION 
VALUE ...............................................................

74

Description ...............................................................

74

Testing Condition .....................................................

74

Inspection Procedure ...............................................

74

Diagnosis Procedure  ...............................................

75

POWER SUPPLY AND GROUND CIRCUIT  ....

82

Diagnosis Procedure  ...............................................

82

Ground Inspection  ...................................................

85

U0101 CAN COMM CIRCUIT  ...........................

86

Description ...............................................................

86

On Board Diagnosis Logic .......................................

86

DTC Confirmation Procedure  ..................................

86

Diagnosis Procedure  ...............................................

86

U1001 CAN COMM CIRCUIT  ...........................

87

Description ...............................................................

87

On Board Diagnosis Logic .......................................

87

DTC Confirmation Procedure  ..................................

87

Diagnosis Procedure  ...............................................

87

P0011, P0021 IVT CONTROL ...........................

88

On Board Diagnosis Logic .......................................

88

EC-2

DTC Confirmation Procedure  .................................

88

Diagnosis Procedure  ..............................................

89

Component Inspection ............................................

93

P0031, P0032, P0051, P0052 A/F SENSOR 1 
HEATER .............................................................

95

Description ..............................................................

95

On Board Diagnosis Logic ......................................

95

DTC Confirmation Procedure  .................................

95

Diagnosis Procedure  ..............................................

95

Component Inspection ............................................

97

P0037, P0038, P0057, P0058 HO2S2 HEAT-
ER ......................................................................

98

Description ..............................................................

98

On Board Diagnosis Logic ......................................

98

DTC Confirmation Procedure  .................................

98

Diagnosis Procedure  ..............................................

99

Component Inspection ...........................................

100

P0075, P0081 IVT CONTROL SOLENOID 
VALVE .............................................................

101

Component Description  .........................................

101

On Board Diagnosis Logic .....................................

101

DTC Confirmation Procedure  ................................

101

Diagnosis Procedure  .............................................

101

Component Inspection ...........................................

102

P0101 MAF SENSOR  ......................................

104

Component Description  .........................................

104

On Board Diagnosis Logic .....................................

104

DTC Confirmation Procedure  ................................

104

Overall Function Check  .........................................

105

Diagnosis Procedure  .............................................

106

Component Inspection ...........................................

108

P0102, P0103 MAF SENSOR ..........................

110

Component Description  .........................................

110

On Board Diagnosis Logic .....................................

110

DTC Confirmation Procedure  ................................

110

Diagnosis Procedure  .............................................

111

Component Inspection ...........................................

112

P0112, P0113 IAT SENSOR ............................

115

Component Description  .........................................

115

On Board Diagnosis Logic .....................................

115

DTC Confirmation Procedure  ................................

115

Diagnosis Procedure  .............................................

115

Component Inspection ...........................................

117

P0116 ECT SENSOR .......................................

118

Component Description  .........................................

118

On Board Diagnosis Logic .....................................

118

DTC Confirmation Procedure  ................................

118

Diagnosis Procedure  .............................................

119

Component Inspection ...........................................

119

P0117, P0118 ECT SENSOR  ..........................

121

Component Description  .........................................

121

On Board Diagnosis Logic .....................................

121

DTC Confirmation Procedure ................................

122

Diagnosis Procedure .............................................

122

Component Inspection  ..........................................

123

P0122, P0123 TP SENSOR ..............................

125

Component Description  ........................................

125

On Board Diagnosis Logic  ....................................

125

DTC Confirmation Procedure ................................

125

Diagnosis Procedure .............................................

125

Component Inspection  ..........................................

128

P0125 ECT SENSOR  .......................................

129

Component Description  ........................................

129

On Board Diagnosis Logic  ....................................

129

DTC Confirmation Procedure ................................

129

Diagnosis Procedure .............................................

130

Component Inspection  ..........................................

130

P0127 IAT SENSOR .........................................

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Component Description  ........................................

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On Board Diagnosis Logic  ....................................

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DTC Confirmation Procedure ................................

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Diagnosis Procedure .............................................

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Component Inspection  ..........................................

133

P0128 THERMOSTAT FUNCTION  ..................

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On Board Diagnosis Logic  ....................................

135

DTC Confirmation Procedure ................................

135

Diagnosis Procedure .............................................

135

Component Inspection  ..........................................

136

P0130, P0150 A/F SENSOR 1  .........................

137

Component Description  ........................................

137

On Board Diagnosis Logic  ....................................

137

DTC Confirmation Procedure ................................

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Overall Function Check .........................................

138

Diagnosis Procedure .............................................

138

P0131, P0151 A/F SENSOR 1  .........................

141

Component Description  ........................................

141

On Board Diagnosis Logic  ....................................

141

DTC Confirmation Procedure ................................

141

Diagnosis Procedure .............................................

142

P0132, P0152 A/F SENSOR 1  .........................

145

Component Description  ........................................

145

On Board Diagnosis Logic  ....................................

145

DTC Confirmation Procedure ................................

145

Diagnosis Procedure .............................................

146

P0133, P0153 A/F SENSOR 1  .........................

149

Component Description  ........................................

149

On Board Diagnosis Logic  ....................................

149

DTC Confirmation Procedure ................................

149

Diagnosis Procedure .............................................

150

P0137, P0157 HO2S2 .......................................

155

Component Description  ........................................

155

On Board Diagnosis Logic  ....................................

155

DTC Confirmation Procedure ................................

155

Overall Function Check .........................................

156

EC-3

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Diagnosis Procedure .............................................

156

Component Inspection  ..........................................

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P0138, P0158 HO2S2  ......................................

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Component Description .........................................

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On Board Diagnosis Logic  ....................................

160

DTC Confirmation Procedure ................................

160

Overall Function Check .........................................

161

Diagnosis Procedure .............................................

162

Component Inspection  ..........................................

165

P0139, P0159 HO2S2  ......................................

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Component Description .........................................

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On Board Diagnosis Logic  ....................................

167

DTC Confirmation Procedure ................................

167

Overall Function Check .........................................

168

Diagnosis Procedure .............................................

168

Component Inspection  ..........................................

170

P0171, P0174 FUEL INJECTION SYSTEM 
FUNCTION .......................................................

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On Board Diagnosis Logic  ....................................

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DTC Confirmation Procedure ................................

172

Diagnosis Procedure .............................................

173

P0172, P0175 FUEL INJECTION SYSTEM 
FUNCTION .......................................................

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On Board Diagnosis Logic  ....................................

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DTC Confirmation Procedure ................................

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Diagnosis Procedure .............................................

178

P0181 FTT SENSOR ........................................

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Component Description .........................................

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On Board Diagnosis Logic  ....................................

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DTC Confirmation Procedure ................................

182

Diagnosis Procedure .............................................

183

Component Inspection  ..........................................

184

P0182, P0183 FTT SENSOR  ...........................

185

Component Description .........................................

185

On Board Diagnosis Logic  ....................................

185

DTC Confirmation Procedure ................................

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Diagnosis Procedure .............................................

185

Component Inspection  ..........................................

187

P0222, P0223 APP SENSOR ...........................

188

Component Description .........................................

188

On Board Diagnosis Logic  ....................................

188

DTC Confirmation Procedure ................................

188

Diagnosis Procedure .............................................

188

Component Inspection  ..........................................

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P0300, P0301, P0302, P0303, P0304, P0305, 
P0306, P0307, P0308 MISFIRE  .......................

192

On Board Diagnosis Logic  ....................................

192

DTC Confirmation Procedure ................................

192

Diagnosis Procedure .............................................

193

P0327, P0328, P0332, P0333 KS  ....................

198

Component Description .........................................

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On Board Diagnosis Logic  ....................................

198

DTC Confirmation Procedure  ................................

198

Diagnosis Procedure  .............................................

198

Component Inspection ...........................................

200

P0335 CKP SENSOR (POS) ...........................

201

Component Description  .........................................

201

On Board Diagnosis Logic .....................................

201

DTC Confirmation Procedure  ................................

201

Diagnosis Procedure  .............................................

201

Component Inspection ...........................................

203

P0340 CMP SENSOR (PHASE)  .....................

205

Component Description  .........................................

205

On Board Diagnosis Logic .....................................

205

DTC Confirmation Procedure  ................................

205

Diagnosis Procedure  .............................................

206

Component Inspection ...........................................

207

P0420, P0430 THREE WAY CATALYST 
FUNCTION ......................................................

209

On Board Diagnosis Logic .....................................

209

DTC Confirmation Procedure  ................................

209

Overall Function Check  .........................................

210

Diagnosis Procedure  .............................................

210

P0441 EVAP CONTROL SYSTEM  .................

213

System Description ................................................

213

On Board Diagnosis Logic .....................................

213

DTC Confirmation Procedure  ................................

213

Overall Function Check  .........................................

214

Diagnosis Procedure  .............................................

214

P0442 EVAP CONTROL SYSTEM  .................

218

On Board Diagnosis Logic .....................................

218

DTC Confirmation Procedure  ................................

218

Diagnosis Procedure  .............................................

219

Component Inspection ...........................................

224

P0443 EVAP CANISTER PURGE VOLUME 
CONTROL SOLENOID VALVE  ......................

225

Description .............................................................

225

On Board Diagnosis Logic .....................................

225

DTC Confirmation Procedure  ................................

226

Diagnosis Procedure  .............................................

227

Component Inspection ...........................................

229

P0444, P0445 EVAP CANISTER PURGE 
VOLUME CONTROL SOLENOID VALVE ......

231

Description .............................................................

231

On Board Diagnosis Logic .....................................

231

DTC Confirmation Procedure  ................................

232

Diagnosis Procedure  .............................................

232

Component Inspection ...........................................

233

P0447 EVAP CANISTER VENT CONTROL 
VALVE .............................................................

234

Component Description  .........................................

234

On Board Diagnosis Logic .....................................

234

DTC Confirmation Procedure  ................................

234

Diagnosis Procedure  .............................................

234

 

 

 

 

 

 

 

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